SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 483 filers reported holding SIGMA ALDRICH CORP in Q2 2013. The put-call ratio across all filers is 0.10 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $28,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q1 2015 | $28,000 | -99.7% | 200 | -99.7% | 0.00% | -100.0% |
| Q4 2014 | $10,095,000 | +209.3% | 73,550 | +206.5% | 0.09% | +133.3% |
| Q3 2014 | $3,264,000 | -24.1% | 24,000 | -43.4% | 0.04% | -32.8% |
| Q2 2014 | $4,303,000 | +20.0% | 42,400 | +10.4% | 0.06% | +11.5% |
| Q1 2014 | $3,585,000 | +1045.4% | 38,400 | +1052.8% | 0.05% | +1633.3% |
| Q4 2013 | $313,000 | -18.5% | 3,331 | -26.0% | 0.00% | -25.0% |
| Q3 2013 | $384,000 | -74.5% | 4,500 | -75.9% | 0.00% | -71.4% |
| Q2 2013 | $1,504,000 | – | 18,700 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SHAYNE & JACOBS, LLC | 101,877 | $14,197,000 | 11.86% |
| Chicago Capital Management, LLC | 110,000 | $15,328,000 | 7.00% |
| REIK & CO., LLC | 139,443 | $19,431,000 | 6.28% |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 245,601 | $34,224,000 | 4.91% |
| Kellner Capital, LLC | 66,800 | $9,309,000 | 4.91% |
| America First Investment Advisors, LLC | 77,405 | $10,786,000 | 4.73% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 210,152 | $29,285,000 | 4.43% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 968,217 | $134,921,000 | 4.38% |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 102,825 | $14,329,000 | 4.29% |
| Black River Asset Management LLC | 55,000 | $7,664,000 | 4.09% |